6 Simple Machines

That make our life easier

First 3

A lever is a rigid bar that rotates around a fulcrum using effort to make the load move.

The wheel and axle is a small cylinder joined to a large wheel.

An inclined plane is a tilted surface that allows you to move heavy objects up small slopes.

The Final 3

A wedge are 2 inclined planes sandwiched together changing the force form moving downwards to outward.

A screw is a inclined plane that coils around a shaft. It converts rotational motion into linear motion.

Pulley allows a person to change the direction of a force by adding his own weight.